approve_ft_channel: stop using the contact factory
approve_ft_channel: stop using the contact factory

https://bugzilla.gnome.org/show_bug.cgi?id=675597

Distrotech/telepathy-account-widgets,GNOME/telepathy-account-widgets,Distrotech/telepathy-account-widgets,GNOME/telepathy-account-widgets,GNOME/telepathy-account-widgets